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Re: [TowerTalk] Rohn 45 Tower Bolts Torque Setting

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Rohn 45 Tower Bolts Torque Setting
From: "Robert Chudek - K0RC" <k0rc@citlink.net>
Reply-to: Robert Chudek - K0RC <k0rc@citlink.net>
Date: Fri, 30 Apr 2010 12:04:07 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
There is an interesting article about this, here: 
http://www.carcraft.com/techarticles/116_0609_using_rod_bolt_stretch_tool/index.html

I'll have to check my tower bolts to see if they have the "dimples" on both 
ends for centering the gauge.

73 de Bob - KØRC in MN




Message: 1
Date: Thu, 29 Apr 2010 13:39:27 -0700 (PDT)
From: Steven Kerns <n3fti@yahoo.com>
Subject: Re: [TowerTalk] Rohn 45 Tower Bolts Torque Setting
To: towertalk@contesting.com
Message-ID: <430261.84761.qm@web43135.mail.sp1.yahoo.com>
Content-Type: text/plain; charset=us-ascii

Mark,

Using torque measurement is not accurate because of friction related to 
different surface tensions of the fasteners and the difference in lubricants.

To get an an accurate measurement you should read the bolt stretch with a dial 
indicator using a bolt stretch gauge.  One can be purchased here:  
http://www.summitracing.com/parts/ARP-100-9942/  ;-)

Steve, N3FTI
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